001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.diagnostics;
018    
019    import com.google.common.collect.ImmutableSet;
020    import com.intellij.psi.PsiElement;
021    import com.intellij.psi.PsiNameIdentifierOwner;
022    import com.intellij.psi.impl.source.tree.LeafPsiElement;
023    import org.jetbrains.jet.lang.descriptors.*;
024    import org.jetbrains.jet.lang.psi.*;
025    import org.jetbrains.jet.lang.resolve.calls.inference.InferenceErrorData;
026    import org.jetbrains.jet.lang.resolve.calls.model.ResolvedCall;
027    import org.jetbrains.jet.lang.resolve.name.Name;
028    import org.jetbrains.jet.lang.types.JetType;
029    import org.jetbrains.jet.lexer.JetKeywordToken;
030    import org.jetbrains.jet.lexer.JetTokens;
031    
032    import java.lang.reflect.Field;
033    import java.lang.reflect.Modifier;
034    import java.util.Collection;
035    import java.util.List;
036    
037    import static org.jetbrains.jet.lang.diagnostics.PositioningStrategies.*;
038    import static org.jetbrains.jet.lang.diagnostics.Severity.ERROR;
039    import static org.jetbrains.jet.lang.diagnostics.Severity.WARNING;
040    
041    /**
042     * For error messages, see DefaultErrorMessages and IdeErrorMessages.
043     */
044    public interface Errors {
045    
046        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
047    
048        // Meta-errors: unsupported features, failure
049    
050        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
051    
052        DiagnosticFactory1<JetFile, Throwable> EXCEPTION_WHILE_ANALYZING = DiagnosticFactory1.create(ERROR);
053    
054        DiagnosticFactory1<PsiElement, String> UNSUPPORTED = DiagnosticFactory1.create(ERROR);
055    
056        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
057    
058        // Generic errors/warnings: applicable in many contexts
059    
060        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
061    
062        DiagnosticFactory1<PsiElement, String> REDECLARATION = DiagnosticFactory1.create(ERROR, FOR_REDECLARATION);
063    
064        DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> UNRESOLVED_REFERENCE =
065                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
066    
067        //Elements with "INVISIBLE_REFERENCE" error are marked as unresolved, unlike elements with "INVISIBLE_MEMBER" error
068        //"INVISIBLE_REFERENCE" is used for invisible classes references and references in import
069        DiagnosticFactory3<JetSimpleNameExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_REFERENCE =
070                DiagnosticFactory3.create(ERROR);
071        DiagnosticFactory3<PsiElement, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_MEMBER = DiagnosticFactory3.create(ERROR, CALL_ELEMENT);
072    
073        DiagnosticFactory1<JetElement, Collection<ClassDescriptor>> PLATFORM_CLASS_MAPPED_TO_KOTLIN = DiagnosticFactory1.create(WARNING);
074    
075        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
076    
077        // Errors/warnings in types
078        // Note: class/trait declaration is NOT a type. A type is something that may be written on the right-hand side of ":"
079    
080        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
081    
082        DiagnosticFactory0<JetTypeProjection> PROJECTION_ON_NON_CLASS_TYPE_ARGUMENT = DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
083        DiagnosticFactory2<JetTypeReference, JetType, JetType> UPPER_BOUND_VIOLATED = DiagnosticFactory2.create(ERROR);
084        DiagnosticFactory0<JetNullableType> REDUNDANT_NULLABLE = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
085        DiagnosticFactory1<JetNullableType, JetType> BASE_WITH_NULLABLE_UPPER_BOUND = DiagnosticFactory1.create(WARNING, NULLABLE_TYPE);
086        DiagnosticFactory1<JetElement, Integer> WRONG_NUMBER_OF_TYPE_ARGUMENTS = DiagnosticFactory1.create(ERROR);
087        DiagnosticFactory2<JetTypeReference, Integer, String> NO_TYPE_ARGUMENTS_ON_RHS = DiagnosticFactory2.create(ERROR);
088        DiagnosticFactory1<JetTypeProjection, ClassifierDescriptor> CONFLICTING_PROJECTION = DiagnosticFactory1.create(ERROR, VARIANCE_IN_PROJECTION);
089        DiagnosticFactory1<JetTypeProjection, ClassifierDescriptor> REDUNDANT_PROJECTION = DiagnosticFactory1.create(WARNING, VARIANCE_IN_PROJECTION);
090    
091        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
092    
093        // Errors in declarations
094    
095        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
096    
097        // Imports
098    
099        DiagnosticFactory1<JetSimpleNameExpression, DeclarationDescriptor> CANNOT_IMPORT_FROM_ELEMENT = DiagnosticFactory1.create(ERROR);
100        DiagnosticFactory1<JetSimpleNameExpression, DeclarationDescriptor> CANNOT_BE_IMPORTED = DiagnosticFactory1.create(ERROR);
101    
102        DiagnosticFactory0<JetExpression> USELESS_HIDDEN_IMPORT = DiagnosticFactory0.create(WARNING);
103    
104        DiagnosticFactory0<JetExpression> USELESS_SIMPLE_IMPORT = DiagnosticFactory0.create(WARNING);
105    
106        // Modifiers
107    
108        DiagnosticFactory1<PsiElement, Collection<JetKeywordToken>> INCOMPATIBLE_MODIFIERS = DiagnosticFactory1.create(ERROR);
109        DiagnosticFactory1<PsiElement, JetKeywordToken> ILLEGAL_MODIFIER = DiagnosticFactory1.create(ERROR);
110        DiagnosticFactory2<PsiElement, JetKeywordToken, JetKeywordToken> REDUNDANT_MODIFIER = DiagnosticFactory2.create(Severity.WARNING);
111    
112        // Annotations
113    
114        DiagnosticFactory0<JetDelegationSpecifierList> SUPERTYPES_FOR_ANNOTATION_CLASS = DiagnosticFactory0.create(ERROR);
115        DiagnosticFactory0<JetParameter> MISSING_VAL_ON_ANNOTATION_PARAMETER = DiagnosticFactory0.create(WARNING);
116        DiagnosticFactory0<JetCallExpression> ANNOTATION_CLASS_CONSTRUCTOR_CALL = DiagnosticFactory0.create(ERROR);
117        DiagnosticFactory1<JetAnnotationEntry, String> NOT_AN_ANNOTATION_CLASS = DiagnosticFactory1.create(ERROR);
118        DiagnosticFactory0<PsiElement> ANNOTATION_CLASS_WITH_BODY = DiagnosticFactory0.create(ERROR);
119        DiagnosticFactory0<JetTypeReference> INVALID_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
120        DiagnosticFactory0<JetTypeReference> NULLABLE_TYPE_OF_ANNOTATION_MEMBER = DiagnosticFactory0.create(ERROR);
121        DiagnosticFactory0<JetModifierListOwner> ILLEGAL_ANNOTATION_KEYWORD = DiagnosticFactory0
122                .create(ERROR, modifierSetPosition(JetTokens.ANNOTATION_KEYWORD));
123        DiagnosticFactory0<JetExpression> ANNOTATION_PARAMETER_MUST_BE_CONST = DiagnosticFactory0.create(ERROR);
124        DiagnosticFactory0<JetExpression> ANNOTATION_PARAMETER_MUST_BE_CLASS_LITERAL = DiagnosticFactory0.create(ERROR);
125        DiagnosticFactory0<JetExpression> ANNOTATION_PARAMETER_MUST_BE_ENUM_CONST = DiagnosticFactory0.create(ERROR);
126    
127        // Classes and traits
128    
129        DiagnosticFactory0<JetTypeProjection> PROJECTION_IN_IMMEDIATE_ARGUMENT_TO_SUPERTYPE =
130                DiagnosticFactory0.create(ERROR, VARIANCE_IN_PROJECTION);
131    
132        DiagnosticFactory0<PsiElement> CYCLIC_INHERITANCE_HIERARCHY = DiagnosticFactory0.create(ERROR);
133    
134        DiagnosticFactory0<JetDelegatorToSuperClass> SUPERTYPE_NOT_INITIALIZED = DiagnosticFactory0.create(ERROR);
135    
136        DiagnosticFactory0<JetTypeReference> DELEGATION_NOT_TO_TRAIT = DiagnosticFactory0.create(ERROR);
137        DiagnosticFactory0<JetTypeReference> SUPERTYPE_NOT_A_CLASS_OR_TRAIT = DiagnosticFactory0.create(ERROR);
138    
139        DiagnosticFactory0<PsiElement> NO_GENERICS_IN_SUPERTYPE_SPECIFIER = DiagnosticFactory0.create(ERROR);
140    
141        DiagnosticFactory0<JetTypeReference> MANY_CLASSES_IN_SUPERTYPE_LIST = DiagnosticFactory0.create(ERROR);
142        DiagnosticFactory0<JetTypeReference> SUPERTYPE_APPEARS_TWICE = DiagnosticFactory0.create(ERROR);
143        DiagnosticFactory3<JetDelegationSpecifierList, TypeParameterDescriptor, ClassDescriptor, Collection<JetType>>
144                INCONSISTENT_TYPE_PARAMETER_VALUES = DiagnosticFactory3.create(ERROR);
145    
146    
147        DiagnosticFactory0<JetTypeReference> FINAL_SUPERTYPE = DiagnosticFactory0.create(ERROR);
148        DiagnosticFactory0<JetTypeReference> SINGLETON_IN_SUPERTYPE = DiagnosticFactory0.create(ERROR);
149        DiagnosticFactory0<JetNullableType> NULLABLE_SUPERTYPE = DiagnosticFactory0.create(ERROR, NULLABLE_TYPE);
150    
151        // Trait-specific
152    
153        DiagnosticFactory0<JetModifierListOwner> ABSTRACT_MODIFIER_IN_TRAIT = DiagnosticFactory0
154                .create(WARNING, ABSTRACT_MODIFIER);
155        DiagnosticFactory0<JetModifierListOwner> OPEN_MODIFIER_IN_TRAIT = DiagnosticFactory0
156                .create(WARNING, modifierSetPosition(JetTokens.OPEN_KEYWORD));
157        DiagnosticFactory0<PsiElement> TRAIT_CAN_NOT_BE_FINAL = DiagnosticFactory0.create(ERROR);
158    
159        DiagnosticFactory0<PsiElement> CONSTRUCTOR_IN_TRAIT = DiagnosticFactory0.create(ERROR);
160    
161        DiagnosticFactory0<PsiElement> SUPERTYPE_INITIALIZED_IN_TRAIT = DiagnosticFactory0.create(ERROR);
162    
163        DiagnosticFactory0<JetDelegatorByExpressionSpecifier> DELEGATION_IN_TRAIT = DiagnosticFactory0.create(ERROR);
164    
165        // Enum-specific
166    
167        DiagnosticFactory0<JetModifierListOwner> ILLEGAL_ENUM_ANNOTATION = DiagnosticFactory0
168                .create(ERROR, modifierSetPosition(JetTokens.ENUM_KEYWORD));
169    
170        DiagnosticFactory0<JetModifierListOwner> OPEN_MODIFIER_IN_ENUM = DiagnosticFactory0
171                .create(ERROR, modifierSetPosition(JetTokens.OPEN_KEYWORD));
172    
173        DiagnosticFactory0<PsiElement> CLASS_IN_SUPERTYPE_FOR_ENUM = DiagnosticFactory0.create(ERROR);
174    
175        DiagnosticFactory1<JetClass, ClassDescriptor> ENUM_ENTRY_SHOULD_BE_INITIALIZED = DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
176        DiagnosticFactory1<JetTypeReference, ClassDescriptor> ENUM_ENTRY_ILLEGAL_TYPE = DiagnosticFactory1.create(ERROR);
177    
178        // Class objects
179    
180        DiagnosticFactory0<JetClassObject> MANY_CLASS_OBJECTS = DiagnosticFactory0.create(ERROR);
181        DiagnosticFactory0<JetClassObject> CLASS_OBJECT_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
182    
183        // Type parameter declarations
184    
185        DiagnosticFactory1<JetTypeReference, JetType> FINAL_UPPER_BOUND = DiagnosticFactory1.create(WARNING);
186        DiagnosticFactory1<JetTypeReference, JetType> FINAL_CLASS_OBJECT_UPPER_BOUND = DiagnosticFactory1.create(ERROR);
187    
188        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> CONFLICTING_UPPER_BOUNDS = DiagnosticFactory1.create(ERROR);
189        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> CONFLICTING_CLASS_OBJECT_UPPER_BOUNDS = DiagnosticFactory1.create(ERROR);
190    
191        DiagnosticFactory2<JetSimpleNameExpression, JetTypeConstraint, JetTypeParameterListOwner> NAME_IN_CONSTRAINT_IS_NOT_A_TYPE_PARAMETER =
192                DiagnosticFactory2.create(ERROR);
193    
194        DiagnosticFactory0<JetTypeParameter>
195                VARIANCE_ON_TYPE_PARAMETER_OF_FUNCTION_OR_PROPERTY = DiagnosticFactory0.create(ERROR, VARIANCE_MODIFIER);
196    
197        // Members
198    
199        DiagnosticFactory0<PsiElement> PACKAGE_MEMBER_CANNOT_BE_PROTECTED = DiagnosticFactory0.create(ERROR);
200    
201        DiagnosticFactory0<JetNamedDeclaration> PUBLIC_MEMBER_SHOULD_SPECIFY_TYPE = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
202    
203        DiagnosticFactory2<JetDeclaration, CallableMemberDescriptor, String> CONFLICTING_OVERLOADS = DiagnosticFactory2.create(ERROR, DECLARATION);
204    
205        DiagnosticFactory0<JetNamedDeclaration> NON_FINAL_MEMBER_IN_FINAL_CLASS = DiagnosticFactory0.create(WARNING, modifierSetPosition(
206                JetTokens.OPEN_KEYWORD));
207    
208        DiagnosticFactory1<JetModifierListOwner, CallableMemberDescriptor> NOTHING_TO_OVERRIDE = DiagnosticFactory1.create(ERROR, OVERRIDE_MODIFIER);
209    
210        DiagnosticFactory3<PsiNameIdentifierOwner, CallableMemberDescriptor, CallableMemberDescriptor, DeclarationDescriptor> VIRTUAL_MEMBER_HIDDEN =
211                DiagnosticFactory3.create(ERROR, NAMED_ELEMENT);
212    
213        DiagnosticFactory3<JetModifierListOwner, CallableMemberDescriptor, CallableDescriptor, DeclarationDescriptor> CANNOT_OVERRIDE_INVISIBLE_MEMBER =
214                DiagnosticFactory3.create(ERROR, OVERRIDE_MODIFIER);
215    
216        DiagnosticFactory2<JetAnnotationEntry, CallableMemberDescriptor, DeclarationDescriptor> DATA_CLASS_OVERRIDE_CONFLICT =
217                DiagnosticFactory2.create(ERROR);
218    
219        DiagnosticFactory0<JetDeclaration> CANNOT_INFER_VISIBILITY = DiagnosticFactory0.create(ERROR, DECLARATION);
220    
221        DiagnosticFactory2<PsiElement, CallableMemberDescriptor, DeclarationDescriptor> OVERRIDING_FINAL_MEMBER = DiagnosticFactory2.create(ERROR);
222    
223        DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_WEAKEN_ACCESS_PRIVILEGE =
224                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
225        DiagnosticFactory3<JetModifierListOwner, Visibility, CallableMemberDescriptor, DeclarationDescriptor> CANNOT_CHANGE_ACCESS_PRIVILEGE =
226                DiagnosticFactory3.create(ERROR, VISIBILITY_MODIFIER);
227        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> RETURN_TYPE_MISMATCH_ON_OVERRIDE =
228                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
229        DiagnosticFactory2<JetNamedDeclaration, CallableMemberDescriptor, CallableMemberDescriptor> PROPERTY_TYPE_MISMATCH_ON_OVERRIDE =
230                DiagnosticFactory2.create(ERROR, DECLARATION_RETURN_TYPE);
231    
232        DiagnosticFactory2<PsiElement, JetClassOrObject, CallableMemberDescriptor> ABSTRACT_MEMBER_NOT_IMPLEMENTED =
233                DiagnosticFactory2.create(ERROR);
234        DiagnosticFactory2<PsiElement, JetClassOrObject, CallableMemberDescriptor> MANY_IMPL_MEMBER_NOT_IMPLEMENTED =
235                DiagnosticFactory2.create(ERROR);
236    
237        DiagnosticFactory1<JetNamedDeclaration, Collection<JetType>> AMBIGUOUS_ANONYMOUS_TYPE_INFERRED = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
238    
239        // Property-specific
240    
241        DiagnosticFactory2<JetProperty, PropertyDescriptor, PropertyDescriptor> VAR_OVERRIDDEN_BY_VAL =
242                DiagnosticFactory2.create(ERROR, VAL_OR_VAR_NODE);
243    
244        DiagnosticFactory0<PsiElement> REDUNDANT_MODIFIER_IN_GETTER = DiagnosticFactory0.create(WARNING);
245        DiagnosticFactory0<PsiElement> GETTER_VISIBILITY_DIFFERS_FROM_PROPERTY_VISIBILITY = DiagnosticFactory0.create(ERROR);
246        DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_GETTER_RETURN_TYPE = DiagnosticFactory2.create(ERROR);
247    
248        DiagnosticFactory0<JetModifierListOwner>
249                ABSTRACT_PROPERTY_IN_PRIMARY_CONSTRUCTOR_PARAMETERS = DiagnosticFactory0.create(ERROR, ABSTRACT_MODIFIER);
250        DiagnosticFactory0<JetExpression> ABSTRACT_PROPERTY_WITH_INITIALIZER = DiagnosticFactory0.create(ERROR);
251        DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_GETTER = DiagnosticFactory0.create(ERROR);
252        DiagnosticFactory0<JetPropertyAccessor> ABSTRACT_PROPERTY_WITH_SETTER = DiagnosticFactory0.create(ERROR);
253    
254        DiagnosticFactory0<JetPropertyDelegate> ABSTRACT_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
255        DiagnosticFactory0<JetPropertyAccessor> ACCESSOR_FOR_DELEGATED_PROPERTY = DiagnosticFactory0.create(ERROR);
256        DiagnosticFactory0<JetPropertyDelegate> DELEGATED_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR);
257        DiagnosticFactory0<JetPropertyDelegate> LOCAL_VARIABLE_WITH_DELEGATE = DiagnosticFactory0.create(ERROR);
258    
259        DiagnosticFactory0<JetProperty> PROPERTY_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
260    
261        DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
262        DiagnosticFactory0<JetProperty> MUST_BE_INITIALIZED_OR_BE_ABSTRACT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
263    
264        DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_NO_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
265        DiagnosticFactory0<JetExpression> PROPERTY_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
266        DiagnosticFactory0<JetProperty> FINAL_PROPERTY_IN_TRAIT = DiagnosticFactory0.create(ERROR, FINAL_MODIFIER);
267        DiagnosticFactory0<JetProperty> BACKING_FIELD_IN_TRAIT = DiagnosticFactory0.create(ERROR, NAMED_ELEMENT);
268    
269        DiagnosticFactory2<JetModifierListOwner, String, ClassDescriptor> ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
270    
271        DiagnosticFactory0<JetPropertyAccessor> VAL_WITH_SETTER = DiagnosticFactory0.create(ERROR);
272    
273        DiagnosticFactory0<JetExpression> SETTER_PARAMETER_WITH_DEFAULT_VALUE = DiagnosticFactory0.create(ERROR);
274    
275        DiagnosticFactory2<JetTypeReference, JetType, JetType> WRONG_SETTER_PARAMETER_TYPE = DiagnosticFactory2.create(ERROR);
276    
277        // Function-specific
278    
279        DiagnosticFactory2<JetFunction, String, ClassDescriptor> ABSTRACT_FUNCTION_IN_NON_ABSTRACT_CLASS = DiagnosticFactory2.create(ERROR, ABSTRACT_MODIFIER);
280    
281        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> ABSTRACT_FUNCTION_WITH_BODY = DiagnosticFactory1.create(ERROR, ABSTRACT_MODIFIER);
282        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_ABSTRACT_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
283        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> FINAL_FUNCTION_WITH_NO_BODY = DiagnosticFactory1.create(ERROR, FINAL_MODIFIER);
284    
285        DiagnosticFactory1<JetFunction, SimpleFunctionDescriptor> NON_MEMBER_FUNCTION_NO_BODY = DiagnosticFactory1.create(ERROR, NAMED_ELEMENT);
286    
287        DiagnosticFactory0<JetParameter> VALUE_PARAMETER_WITH_NO_TYPE_ANNOTATION = DiagnosticFactory0.create(ERROR);
288    
289        DiagnosticFactory0<JetNamedFunction> NO_TAIL_CALLS_FOUND = DiagnosticFactory0.create(WARNING, NAMED_ELEMENT);
290    
291        // Named parameters
292    
293        DiagnosticFactory0<JetParameter> DEFAULT_VALUE_NOT_ALLOWED_IN_OVERRIDE = DiagnosticFactory0.create(ERROR, PARAMETER_DEFAULT_VALUE);
294    
295        DiagnosticFactory1<JetParameter, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES = DiagnosticFactory1.create(ERROR);
296    
297        DiagnosticFactory1<JetClassOrObject, ValueParameterDescriptor> MULTIPLE_DEFAULTS_INHERITED_FROM_SUPERTYPES_WHEN_NO_EXPLICIT_OVERRIDE =
298                DiagnosticFactory1.create(ERROR, NAME_IDENTIFIER);
299    
300        DiagnosticFactory2<JetParameter, ClassDescriptor, ValueParameterDescriptor> PARAMETER_NAME_CHANGED_ON_OVERRIDE =
301                DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
302    
303        DiagnosticFactory2<JetClassOrObject, Collection<? extends CallableMemberDescriptor>, Integer> DIFFERENT_NAMES_FOR_THE_SAME_PARAMETER_IN_SUPERTYPES =
304                DiagnosticFactory2.create(WARNING, NAME_IDENTIFIER);
305    
306        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
307    
308        // Errors/warnings inside code blocks
309    
310        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
311    
312        // General
313    
314        DiagnosticFactory1<PsiElement, String> NAME_SHADOWING = DiagnosticFactory1.create(WARNING, PositioningStrategies.FOR_REDECLARATION);
315    
316        DiagnosticFactory0<JetExpression> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM = DiagnosticFactory0.create(ERROR);
317    
318        // Checking call arguments
319    
320        DiagnosticFactory0<PsiElement> MIXING_NAMED_AND_POSITIONED_ARGUMENTS = DiagnosticFactory0.create(ERROR);
321        DiagnosticFactory0<JetReferenceExpression> ARGUMENT_PASSED_TWICE = DiagnosticFactory0.create(ERROR);
322        DiagnosticFactory1<JetReferenceExpression, JetReferenceExpression> NAMED_PARAMETER_NOT_FOUND =
323                DiagnosticFactory1.create(ERROR, FOR_UNRESOLVED_REFERENCE);
324    
325        DiagnosticFactory0<JetExpression> VARARG_OUTSIDE_PARENTHESES = DiagnosticFactory0.create(ERROR);
326        DiagnosticFactory0<LeafPsiElement> NON_VARARG_SPREAD = DiagnosticFactory0.create(ERROR);
327    
328        DiagnosticFactory0<JetExpression> MANY_FUNCTION_LITERAL_ARGUMENTS = DiagnosticFactory0.create(ERROR);
329    
330        DiagnosticFactory1<PsiElement, CallableDescriptor> TOO_MANY_ARGUMENTS = DiagnosticFactory1.create(ERROR);
331    
332        DiagnosticFactory1<JetElement, ValueParameterDescriptor> NO_VALUE_FOR_PARAMETER = DiagnosticFactory1.create(ERROR, VALUE_ARGUMENTS);
333    
334        DiagnosticFactory1<JetReferenceExpression, JetType> MISSING_RECEIVER = DiagnosticFactory1.create(ERROR);
335        DiagnosticFactory0<JetReferenceExpression> NO_RECEIVER_ADMITTED = DiagnosticFactory0.create(ERROR);
336    
337        // Call resolution
338    
339        DiagnosticFactory1<JetExpression, String> ILLEGAL_SELECTOR = DiagnosticFactory1.create(ERROR);
340    
341        DiagnosticFactory1<JetExpression, JetType> CALLEE_NOT_A_FUNCTION = DiagnosticFactory1.create(ERROR);
342        DiagnosticFactory2<JetReferenceExpression, JetExpression, JetType> FUNCTION_EXPECTED = DiagnosticFactory2.create(ERROR);
343        DiagnosticFactory2<JetExpression, JetExpression, Boolean> FUNCTION_CALL_EXPECTED = DiagnosticFactory2.create(ERROR, CALL_EXPRESSION);
344    
345        DiagnosticFactory0<PsiElement> NON_TAIL_RECURSIVE_CALL = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
346        DiagnosticFactory0<PsiElement> TAIL_RECURSION_IN_TRY_IS_NOT_SUPPORTED = DiagnosticFactory0.create(WARNING, CALL_EXPRESSION);
347    
348        DiagnosticFactory0<PsiElement> NO_CONSTRUCTOR = DiagnosticFactory0.create(ERROR);
349        DiagnosticFactory0<PsiElement> CREATING_AN_INSTANCE_OF_ABSTRACT_CLASS = DiagnosticFactory0.create(ERROR);
350        DiagnosticFactory0<JetExpression> NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
351    
352        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> OVERLOAD_RESOLUTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
353        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
354        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> CANNOT_COMPLETE_RESOLVE = DiagnosticFactory1.create(ERROR);
355        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> UNRESOLVED_REFERENCE_WRONG_RECEIVER = DiagnosticFactory1.create(ERROR);
356    
357        DiagnosticFactory0<JetExpression> DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED = DiagnosticFactory0.create(WARNING);
358    
359        DiagnosticFactory1<PsiElement, TypeParameterDescriptor> TYPE_PARAMETER_AS_REIFIED = DiagnosticFactory1.create(ERROR);
360    
361        // Type inference
362    
363        DiagnosticFactory0<JetParameter> CANNOT_INFER_PARAMETER_TYPE = DiagnosticFactory0.create(ERROR);
364    
365        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER = DiagnosticFactory1.create(ERROR);
366        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS = DiagnosticFactory1.create(ERROR);
367        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH = DiagnosticFactory1.create(ERROR);
368        DiagnosticFactory1<PsiElement, InferenceErrorData> TYPE_INFERENCE_UPPER_BOUND_VIOLATED = DiagnosticFactory1.create(ERROR);
369        DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
370    
371        // Callable references
372    
373        DiagnosticFactory1<JetExpression, CallableMemberDescriptor> EXTENSION_IN_CLASS_REFERENCE_NOT_ALLOWED = DiagnosticFactory1.create(ERROR);
374        DiagnosticFactory0<JetExpression> CALLABLE_REFERENCE_LHS_NOT_A_CLASS = DiagnosticFactory0.create(ERROR);
375    
376        // Multi-declarations
377    
378        DiagnosticFactory0<JetMultiDeclaration> INITIALIZER_REQUIRED_FOR_MULTIDECLARATION = DiagnosticFactory0.create(ERROR, DEFAULT);
379        DiagnosticFactory2<JetExpression, Name, JetType> COMPONENT_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR, DEFAULT);
380        DiagnosticFactory2<JetExpression, Name, Collection<? extends ResolvedCall<? extends CallableDescriptor>>> COMPONENT_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR, DEFAULT);
381        DiagnosticFactory3<JetExpression, Name, JetType, JetType> COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR, DEFAULT);
382    
383        // Super calls
384    
385        DiagnosticFactory1<JetSuperExpression, String> SUPER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
386        DiagnosticFactory0<JetSuperExpression> SUPER_NOT_AVAILABLE = DiagnosticFactory0.create(ERROR);
387        DiagnosticFactory0<JetSuperExpression> SUPERCLASS_NOT_ACCESSIBLE_FROM_TRAIT = DiagnosticFactory0.create(ERROR);
388        DiagnosticFactory0<JetSuperExpression> AMBIGUOUS_SUPER = DiagnosticFactory0.create(ERROR);
389        DiagnosticFactory0<JetExpression> ABSTRACT_SUPER_CALL = DiagnosticFactory0.create(ERROR);
390        DiagnosticFactory0<JetTypeReference> NOT_A_SUPERTYPE = DiagnosticFactory0.create(ERROR);
391        DiagnosticFactory0<PsiElement> TYPE_ARGUMENTS_REDUNDANT_IN_SUPER_QUALIFIER = DiagnosticFactory0.create(WARNING);
392    
393        // Conventions
394    
395        DiagnosticFactory0<JetArrayAccessExpression> NO_GET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
396        DiagnosticFactory0<JetArrayAccessExpression> NO_SET_METHOD = DiagnosticFactory0.create(ERROR, ARRAY_ACCESS);
397    
398        DiagnosticFactory0<JetSimpleNameExpression> INC_DEC_SHOULD_NOT_RETURN_UNIT = DiagnosticFactory0.create(ERROR);
399        DiagnosticFactory2<JetSimpleNameExpression, DeclarationDescriptor, JetSimpleNameExpression> ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT =
400                DiagnosticFactory2.create(ERROR);
401        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>>
402                ASSIGN_OPERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
403    
404        DiagnosticFactory0<JetSimpleNameExpression> EQUALS_MISSING = DiagnosticFactory0.create(ERROR);
405        DiagnosticFactory3<JetBinaryExpression, JetSimpleNameExpression, JetType, JetType> EQUALITY_NOT_APPLICABLE =
406                DiagnosticFactory3.create(ERROR);
407    
408    
409        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_MISSING = DiagnosticFactory1.create(ERROR);
410        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_AMBIGUITY = DiagnosticFactory1.create(ERROR);
411        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
412        DiagnosticFactory1<JetExpression, JetType> HAS_NEXT_FUNCTION_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
413    
414        DiagnosticFactory1<JetExpression, JetType> NEXT_AMBIGUITY = DiagnosticFactory1.create(ERROR);
415        DiagnosticFactory1<JetExpression, JetType> NEXT_MISSING = DiagnosticFactory1.create(ERROR);
416        DiagnosticFactory1<JetExpression, JetType> NEXT_NONE_APPLICABLE = DiagnosticFactory1.create(ERROR);
417    
418        DiagnosticFactory0<JetExpression> ITERATOR_MISSING = DiagnosticFactory0.create(ERROR);
419        DiagnosticFactory1<PsiElement, Collection<? extends ResolvedCall<?>>> ITERATOR_AMBIGUITY = DiagnosticFactory1.create(ERROR);
420    
421        DiagnosticFactory2<JetExpression, String, JetType> DELEGATE_SPECIAL_FUNCTION_MISSING = DiagnosticFactory2.create(ERROR);
422        DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_AMBIGUITY = DiagnosticFactory2.create(ERROR);
423        DiagnosticFactory2<JetExpression, String, Collection<? extends ResolvedCall<?>>> DELEGATE_SPECIAL_FUNCTION_NONE_APPLICABLE = DiagnosticFactory2.create(ERROR);
424        DiagnosticFactory3<JetExpression, String, JetType, JetType> DELEGATE_SPECIAL_FUNCTION_RETURN_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
425    
426        DiagnosticFactory1<JetSimpleNameExpression, JetType> COMPARE_TO_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
427    
428        // Labels
429    
430        DiagnosticFactory0<JetSimpleNameExpression> LABEL_NAME_CLASH = DiagnosticFactory0.create(WARNING);
431        DiagnosticFactory0<JetSimpleNameExpression> AMBIGUOUS_LABEL = DiagnosticFactory0.create(ERROR);
432    
433        DiagnosticFactory0<JetLabelQualifiedExpression> BREAK_OR_CONTINUE_OUTSIDE_A_LOOP = DiagnosticFactory0.create(ERROR);
434        DiagnosticFactory0<JetLabelQualifiedExpression> BREAK_OR_CONTINUE_JUMPS_ACROSS_FUNCTION_BOUNDARY = DiagnosticFactory0.create(ERROR);
435        DiagnosticFactory1<JetLabelQualifiedExpression, String> NOT_A_LOOP_LABEL = DiagnosticFactory1.create(ERROR);
436        DiagnosticFactory1<JetReturnExpression, String> NOT_A_RETURN_LABEL = DiagnosticFactory1.create(ERROR);
437    
438        // Control flow / Data flow
439    
440        DiagnosticFactory0<JetElement> UNREACHABLE_CODE = DiagnosticFactory0.create(WARNING);
441    
442        DiagnosticFactory0<JetVariableDeclaration> VARIABLE_WITH_NO_TYPE_NO_INITIALIZER = DiagnosticFactory0.create(ERROR, NAME_IDENTIFIER);
443    
444        DiagnosticFactory1<JetSimpleNameExpression, VariableDescriptor> UNINITIALIZED_VARIABLE = DiagnosticFactory1.create(ERROR);
445        DiagnosticFactory1<JetSimpleNameExpression, ValueParameterDescriptor> UNINITIALIZED_PARAMETER = DiagnosticFactory1.create(ERROR);
446    
447        DiagnosticFactory1<PsiNameIdentifierOwner, Object> UNUSED_VARIABLE = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
448        DiagnosticFactory1<PsiNameIdentifierOwner, Object> UNUSED_PARAMETER = DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
449    
450        DiagnosticFactory1<PsiNameIdentifierOwner, Object> ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE =
451                DiagnosticFactory1.create(WARNING, NAME_IDENTIFIER);
452        DiagnosticFactory1<JetExpression, DeclarationDescriptor> VARIABLE_WITH_REDUNDANT_INITIALIZER = DiagnosticFactory1.create(WARNING);
453        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> UNUSED_VALUE = DiagnosticFactory2.create(WARNING);
454        DiagnosticFactory1<JetElement, JetElement> UNUSED_CHANGED_VALUE = DiagnosticFactory1.create(WARNING);
455        DiagnosticFactory0<JetElement> UNUSED_EXPRESSION = DiagnosticFactory0.create(WARNING);
456        DiagnosticFactory0<JetFunctionLiteralExpression> UNUSED_FUNCTION_LITERAL = DiagnosticFactory0.create(WARNING);
457    
458        DiagnosticFactory1<JetExpression, DeclarationDescriptor> VAL_REASSIGNMENT = DiagnosticFactory1.create(ERROR);
459        DiagnosticFactory1<JetExpression, DeclarationDescriptor> SETTER_PROJECTED_OUT = DiagnosticFactory1.create(ERROR);
460    
461        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_BEFORE_DECLARATION = DiagnosticFactory1.create(ERROR);
462    
463        DiagnosticFactory0<JetExpression> VARIABLE_EXPECTED = DiagnosticFactory0.create(ERROR);
464    
465        DiagnosticFactory2<JetBinaryExpression, JetBinaryExpression, Boolean> SENSELESS_COMPARISON = DiagnosticFactory2.create(WARNING);
466    
467        DiagnosticFactory0<JetElement> SENSELESS_NULL_IN_WHEN = DiagnosticFactory0.create(WARNING);
468    
469        // Nullability
470    
471        DiagnosticFactory1<PsiElement, JetType> UNSAFE_CALL = DiagnosticFactory1.create(ERROR);
472        DiagnosticFactory3<JetReferenceExpression, String, String, String> UNSAFE_INFIX_CALL = DiagnosticFactory3.create(ERROR);
473        DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_SAFE_CALL = DiagnosticFactory1.create(WARNING);
474        DiagnosticFactory1<PsiElement, JetType> UNNECESSARY_NOT_NULL_ASSERTION = DiagnosticFactory1.create(WARNING);
475    
476        DiagnosticFactory1<JetExpression, JetType> USELESS_ELVIS = DiagnosticFactory1.create(WARNING);
477    
478        // Compile-time values
479    
480        DiagnosticFactory0<JetExpression> INTEGER_OVERFLOW = DiagnosticFactory0.create(WARNING);
481        DiagnosticFactory0<JetConstantExpression> WRONG_LONG_SUFFIX = DiagnosticFactory0.create(ERROR, LONG_LITERAL_SUFFIX);
482        DiagnosticFactory0<JetConstantExpression> INT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
483        DiagnosticFactory0<JetConstantExpression> FLOAT_LITERAL_OUT_OF_RANGE = DiagnosticFactory0.create(ERROR);
484        DiagnosticFactory2<JetConstantExpression, String, JetType> CONSTANT_EXPECTED_TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
485        DiagnosticFactory0<JetConstantExpression> INCORRECT_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
486        DiagnosticFactory0<JetConstantExpression> EMPTY_CHARACTER_LITERAL = DiagnosticFactory0.create(ERROR);
487        DiagnosticFactory1<JetConstantExpression, JetConstantExpression> TOO_MANY_CHARACTERS_IN_CHARACTER_LITERAL = DiagnosticFactory1.create(ERROR);
488        DiagnosticFactory1<JetElement, JetElement> ILLEGAL_ESCAPE = DiagnosticFactory1.create(ERROR, CUT_CHAR_QUOTES);
489        DiagnosticFactory1<JetConstantExpression, JetType> NULL_FOR_NONNULL_TYPE = DiagnosticFactory1.create(ERROR);
490        DiagnosticFactory0<JetEscapeStringTemplateEntry> ILLEGAL_ESCAPE_SEQUENCE = DiagnosticFactory0.create(ERROR);
491    
492        // Casts and is-checks
493    
494        DiagnosticFactory1<JetElement, JetType> CANNOT_CHECK_FOR_ERASED = DiagnosticFactory1.create(ERROR);
495        DiagnosticFactory2<JetBinaryExpressionWithTypeRHS, JetType, JetType> UNCHECKED_CAST = DiagnosticFactory2.create(WARNING);
496    
497        DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST_STATIC_ASSERT_IS_FINE = DiagnosticFactory0.create(WARNING);
498        DiagnosticFactory0<JetSimpleNameExpression> USELESS_CAST = DiagnosticFactory0.create(WARNING);
499        DiagnosticFactory0<JetSimpleNameExpression> CAST_NEVER_SUCCEEDS = DiagnosticFactory0.create(WARNING);
500    
501        DiagnosticFactory1<JetExpression, JetType> IMPLICIT_CAST_TO_UNIT_OR_ANY = DiagnosticFactory1.create(WARNING);
502    
503        DiagnosticFactory2<JetExpression, JetType, String> AUTOCAST_IMPOSSIBLE = DiagnosticFactory2.create(ERROR);
504    
505        DiagnosticFactory0<JetNullableType> USELESS_NULLABLE_CHECK = DiagnosticFactory0.create(WARNING, NULLABLE_TYPE);
506    
507        // Properties / locals
508    
509        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_CUSTOM_SETTER = DiagnosticFactory1.create(ERROR);
510        DiagnosticFactory1<JetExpression, DeclarationDescriptor> INITIALIZATION_USING_BACKING_FIELD_OPEN_SETTER = DiagnosticFactory1.create(ERROR);
511    
512        DiagnosticFactory0<JetTypeReference> LOCAL_EXTENSION_PROPERTY = DiagnosticFactory0.create(ERROR);
513        DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_GETTER = DiagnosticFactory0.create(ERROR);
514        DiagnosticFactory0<JetPropertyAccessor> LOCAL_VARIABLE_WITH_SETTER = DiagnosticFactory0.create(ERROR);
515    
516        DiagnosticFactory3<JetExpression, DeclarationDescriptor, Visibility, DeclarationDescriptor> INVISIBLE_SETTER = DiagnosticFactory3.create(ERROR);
517    
518        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_LOOP_PARAMETER = DiagnosticFactory1.create(ERROR);
519        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_FUN_PARAMETER = DiagnosticFactory1.create(ERROR);
520        DiagnosticFactory1<PsiElement, JetKeywordToken> VAL_OR_VAR_ON_CATCH_PARAMETER = DiagnosticFactory1.create(ERROR);
521    
522        // Backing fields
523    
524        DiagnosticFactory0<JetElement> NO_BACKING_FIELD_ABSTRACT_PROPERTY = DiagnosticFactory0.create(ERROR);
525        DiagnosticFactory0<JetElement> NO_BACKING_FIELD_CUSTOM_ACCESSORS = DiagnosticFactory0.create(ERROR);
526        DiagnosticFactory0<JetElement> INACCESSIBLE_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
527        DiagnosticFactory0<JetElement> NOT_PROPERTY_BACKING_FIELD = DiagnosticFactory0.create(ERROR);
528    
529        // When expressions
530    
531        DiagnosticFactory0<JetWhenCondition> EXPECTED_CONDITION = DiagnosticFactory0.create(ERROR);
532        DiagnosticFactory0<JetWhenEntry> ELSE_MISPLACED_IN_WHEN = DiagnosticFactory0.create(ERROR, ELSE_ENTRY);
533        DiagnosticFactory0<JetWhenExpression> NO_ELSE_IN_WHEN = DiagnosticFactory0.create(ERROR, WHEN_EXPRESSION);
534    
535        // Type mismatch
536    
537        DiagnosticFactory2<JetExpression, JetType, JetType> TYPE_MISMATCH = DiagnosticFactory2.create(ERROR);
538        DiagnosticFactory1<JetExpression, JetType> RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
539        DiagnosticFactory1<JetExpression, JetType> EXPECTED_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
540        DiagnosticFactory1<JetBinaryExpression, JetType> ASSIGNMENT_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
541        DiagnosticFactory2<JetTypeReference, JetType, JetType> TYPE_MISMATCH_IN_FOR_LOOP = DiagnosticFactory2.create(ERROR);
542        DiagnosticFactory1<JetElement, JetType> TYPE_MISMATCH_IN_CONDITION = DiagnosticFactory1.create(ERROR);
543        DiagnosticFactory3<JetExpression, String, JetType, JetType> RESULT_TYPE_MISMATCH = DiagnosticFactory3.create(ERROR);
544        DiagnosticFactory0<JetWhenConditionInRange> TYPE_MISMATCH_IN_RANGE = DiagnosticFactory0.create(ERROR, WHEN_CONDITION_IN_RANGE);
545    
546        DiagnosticFactory1<JetParameter, JetType> EXPECTED_PARAMETER_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
547        DiagnosticFactory1<JetTypeReference, JetType> EXPECTED_RETURN_TYPE_MISMATCH = DiagnosticFactory1.create(ERROR);
548        DiagnosticFactory2<JetFunctionLiteral, Integer, List<JetType>> EXPECTED_PARAMETERS_NUMBER_MISMATCH =
549                DiagnosticFactory2.create(ERROR, FUNCTION_LITERAL_PARAMETERS);
550    
551        DiagnosticFactory2<JetElement, JetType, JetType> INCOMPATIBLE_TYPES = DiagnosticFactory2.create(ERROR);
552    
553        // Context tracking
554    
555        DiagnosticFactory1<JetExpression, JetExpression> EXPRESSION_EXPECTED = DiagnosticFactory1.create(ERROR);
556        DiagnosticFactory0<JetBinaryExpression> ASSIGNMENT_IN_EXPRESSION_CONTEXT = DiagnosticFactory0.create(ERROR);
557        DiagnosticFactory0<JetDeclaration> DECLARATION_IN_ILLEGAL_CONTEXT = DiagnosticFactory0.create(ERROR);
558    
559        DiagnosticFactory0<JetSimpleNameExpression> EXPRESSION_EXPECTED_PACKAGE_FOUND = DiagnosticFactory0.create(ERROR);
560    
561        DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
562        DiagnosticFactory0<JetReturnExpression> RETURN_NOT_ALLOWED_EXPLICIT_RETURN_TYPE_REQUIRED = DiagnosticFactory0.create(ERROR);
563        DiagnosticFactory0<JetReturnExpression> RETURN_IN_FUNCTION_WITH_EXPRESSION_BODY = DiagnosticFactory0.create(ERROR);
564        DiagnosticFactory0<JetDeclarationWithBody>
565                NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY = DiagnosticFactory0.create(ERROR, DECLARATION_WITH_BODY);
566    
567        DiagnosticFactory0<JetClassInitializer> ANONYMOUS_INITIALIZER_IN_TRAIT = DiagnosticFactory0.create(ERROR);
568    
569        DiagnosticFactory0<JetThisExpression> NO_THIS = DiagnosticFactory0.create(ERROR);
570        DiagnosticFactory0<JetRootPackageExpression> PACKAGE_IS_NOT_AN_EXPRESSION = DiagnosticFactory0.create(ERROR);
571        DiagnosticFactory1<JetSimpleNameExpression, ClassifierDescriptor> NO_CLASS_OBJECT = DiagnosticFactory1.create(ERROR);
572        DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_IS_NOT_AN_EXPRESSION = DiagnosticFactory1.create(ERROR);
573        DiagnosticFactory1<JetSimpleNameExpression, TypeParameterDescriptor> TYPE_PARAMETER_ON_LHS_OF_DOT = DiagnosticFactory1.create(ERROR);
574    
575        DiagnosticFactory1<PsiElement, ClassDescriptor> INACCESSIBLE_OUTER_CLASS_EXPRESSION = DiagnosticFactory1.create(ERROR);
576        DiagnosticFactory0<PsiElement> NESTED_CLASS_NOT_ALLOWED = DiagnosticFactory0.create(ERROR);
577    
578        //Inline and inlinable parameters
579        DiagnosticFactory2<JetElement, DeclarationDescriptor, DeclarationDescriptor> INVISIBLE_MEMBER_FROM_INLINE = DiagnosticFactory2.create(ERROR, CALL_ELEMENT);
580        DiagnosticFactory2<JetElement, JetNamedDeclaration, DeclarationDescriptor> NOT_YET_SUPPORTED_IN_INLINE = DiagnosticFactory2.create(ERROR);
581        DiagnosticFactory1<JetFunction, DeclarationDescriptor> NOTHING_TO_INLINE = DiagnosticFactory1.create(WARNING, NAMED_ELEMENT);
582        DiagnosticFactory2<JetElement, JetExpression, DeclarationDescriptor> USAGE_IS_NOT_INLINABLE = DiagnosticFactory2.create(ERROR);
583        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> NULLABLE_INLINE_PARAMETER = DiagnosticFactory2.create(ERROR);
584        DiagnosticFactory2<JetElement, JetElement, DeclarationDescriptor> RECURSION_IN_INLINE = DiagnosticFactory2.create(ERROR);
585        DiagnosticFactory0<JetElement> DECLARATION_CANT_BE_INLINED = DiagnosticFactory0.create(ERROR);
586    
587        // Error sets
588        ImmutableSet<? extends DiagnosticFactory> UNRESOLVED_REFERENCE_DIAGNOSTICS = ImmutableSet.of(
589                UNRESOLVED_REFERENCE, NAMED_PARAMETER_NOT_FOUND, UNRESOLVED_REFERENCE_WRONG_RECEIVER);
590        ImmutableSet<? extends DiagnosticFactory> UNUSED_ELEMENT_DIAGNOSTICS = ImmutableSet.of(
591                UNUSED_VARIABLE, UNUSED_PARAMETER, ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE);
592        ImmutableSet<? extends DiagnosticFactory> TYPE_INFERENCE_ERRORS = ImmutableSet.of(
593                TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER, TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS, TYPE_INFERENCE_TYPE_CONSTRUCTOR_MISMATCH,
594                TYPE_INFERENCE_UPPER_BOUND_VIOLATED, TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH);
595    
596        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
597    
598        // This field is needed to make the Initializer class load (interfaces cannot have static initializers)
599    
600        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
601        @SuppressWarnings("UnusedDeclaration")
602        Initializer __initializer = Initializer.INSTANCE;
603    
604        class Initializer {
605            static {
606                for (Field field : Errors.class.getFields()) {
607                    if (Modifier.isStatic(field.getModifiers())) {
608                        try {
609                            Object value = field.get(null);
610                            if (value instanceof DiagnosticFactory) {
611                                DiagnosticFactory factory = (DiagnosticFactory)value;
612                                factory.setName(field.getName());
613                            }
614                        }
615                        catch (IllegalAccessException e) {
616                            throw new IllegalStateException(e);
617                        }
618                    }
619                }
620            }
621    
622            private static final Initializer INSTANCE = new Initializer();
623    
624            private Initializer() {
625            }
626        }
627    }